EP2333241A2 - Passage de flux avec une crête longitudinale pour un moteur de turbine à gaz - Google Patents

Passage de flux avec une crête longitudinale pour un moteur de turbine à gaz Download PDF

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Publication number
EP2333241A2
EP2333241A2 EP10251962A EP10251962A EP2333241A2 EP 2333241 A2 EP2333241 A2 EP 2333241A2 EP 10251962 A EP10251962 A EP 10251962A EP 10251962 A EP10251962 A EP 10251962A EP 2333241 A2 EP2333241 A2 EP 2333241A2
Authority
EP
European Patent Office
Prior art keywords
ridge
flow passage
duct
suction surface
airfoils
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10251962A
Other languages
German (de)
English (en)
Other versions
EP2333241B1 (fr
EP2333241A3 (fr
Inventor
Eunice Allen-Bradley
Eric A. Grover
Thomas J. Praisner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of EP2333241A2 publication Critical patent/EP2333241A2/fr
Publication of EP2333241A3 publication Critical patent/EP2333241A3/fr
Application granted granted Critical
Publication of EP2333241B1 publication Critical patent/EP2333241B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
    • F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/145—Means for influencing boundary layers or secondary circulations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F04D29/324—Blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/17—Purpose of the control system to control boundary layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP10251962.6A 2009-11-20 2010-11-19 Conduit de flux avec une crête longitudinale pour un moteur de turbine à gaz Active EP2333241B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/623,051 US8517686B2 (en) 2009-11-20 2009-11-20 Flow passage for gas turbine engine

Publications (3)

Publication Number Publication Date
EP2333241A2 true EP2333241A2 (fr) 2011-06-15
EP2333241A3 EP2333241A3 (fr) 2014-03-12
EP2333241B1 EP2333241B1 (fr) 2019-05-01

Family

ID=43587565

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10251962.6A Active EP2333241B1 (fr) 2009-11-20 2010-11-19 Conduit de flux avec une crête longitudinale pour un moteur de turbine à gaz

Country Status (2)

Country Link
US (1) US8517686B2 (fr)
EP (1) EP2333241B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2935789A4 (fr) * 2012-12-18 2015-12-23 United Technologies Corp Ensemble de surfaces portantes avec profilage de parois d'extrémité appariées

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8226360B2 (en) * 2008-10-31 2012-07-24 General Electric Company Crenelated turbine nozzle
US8807930B2 (en) 2011-11-01 2014-08-19 United Technologies Corporation Non axis-symmetric stator vane endwall contour
US8967961B2 (en) * 2011-12-01 2015-03-03 United Technologies Corporation Ceramic matrix composite airfoil structure with trailing edge support for a gas turbine engine
US9267386B2 (en) 2012-06-29 2016-02-23 United Technologies Corporation Fairing assembly
US10344601B2 (en) 2012-08-17 2019-07-09 United Technologies Corporation Contoured flowpath surface
US20140154068A1 (en) * 2012-09-28 2014-06-05 United Technologies Corporation Endwall Controuring
US9617870B2 (en) 2013-02-05 2017-04-11 United Technologies Corporation Bracket for mounting a stator guide vane arrangement to a strut in a turbine engine
WO2015077067A1 (fr) * 2013-11-21 2015-05-28 United Technologies Corporation Décalage axisymétrique de parois d'extrémité profilées tridimensionnelles
US20150240712A1 (en) * 2014-02-24 2015-08-27 United Technologies Corporation Mid-turbine duct for geared gas turbine engine
US10202858B2 (en) 2015-12-11 2019-02-12 United Technologies Corporation Reconfiguring a stator vane structure of a turbine engine
US10577955B2 (en) 2017-06-29 2020-03-03 General Electric Company Airfoil assembly with a scalloped flow surface
US10502076B2 (en) 2017-11-09 2019-12-10 Honeywell International Inc. Inter-turbine ducts with flow control mechanisms
US20210079799A1 (en) * 2019-09-12 2021-03-18 General Electric Company Nozzle assembly for turbine engine
US11415007B2 (en) * 2020-01-24 2022-08-16 Rolls-Royce Plc Turbine engine with reused secondary cooling flow
US11242770B2 (en) 2020-04-02 2022-02-08 General Electric Company Turbine center frame and method
US11939880B1 (en) 2022-11-03 2024-03-26 General Electric Company Airfoil assembly with flow surface

Family Cites Families (17)

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US2735612A (en) 1956-02-21 hausmann
US2918254A (en) 1954-05-10 1959-12-22 Hausammann Werner Turborunner
US3039736A (en) * 1954-08-30 1962-06-19 Pon Lemuel Secondary flow control in fluid deflecting passages
FR1442526A (fr) 1965-05-07 1966-06-17 Rateau Soc Perfectionnements aux canaux courbes parcourus par un gaz ou une vapeur
JPS5254808A (en) * 1975-10-31 1977-05-04 Hitachi Ltd Blade arrangement device of fluid machine
US4135857A (en) 1977-06-09 1979-01-23 United Technologies Corporation Reduced drag airfoil platforms
JPS5447907A (en) 1977-09-26 1979-04-16 Hitachi Ltd Blading structure for axial-flow fluid machine
DE3023466C2 (de) * 1980-06-24 1982-11-25 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Einrichtung zur Verminderung von Sekundärströmungsverlusten in einem beschaufelten Strömungskanal
DE3202855C1 (de) 1982-01-29 1983-03-31 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Einrichtung zur Verminderung von Sekundaerstroemungsverlusten in einem beschaufelten Stroemungskanal
GB2115881A (en) * 1982-02-26 1983-09-14 Rolls Royce Gas turbine engine stator vane assembly
JPS58162702A (ja) * 1982-03-23 1983-09-27 Mitsubishi Heavy Ind Ltd 軸流タ−ボ機械
GB9823840D0 (en) 1998-10-30 1998-12-23 Rolls Royce Plc Bladed ducting for turbomachinery
US7251592B1 (en) 2003-08-18 2007-07-31 United Technologies Corporation Boundary layer transition model
US8366399B2 (en) 2006-05-02 2013-02-05 United Technologies Corporation Blade or vane with a laterally enlarged base
US8511978B2 (en) * 2006-05-02 2013-08-20 United Technologies Corporation Airfoil array with an endwall depression and components of the array
US7887297B2 (en) 2006-05-02 2011-02-15 United Technologies Corporation Airfoil array with an endwall protrusion and components of the array
FR2926856B1 (fr) * 2008-01-30 2013-03-29 Snecma Compresseur de turboreacteur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2935789A4 (fr) * 2012-12-18 2015-12-23 United Technologies Corp Ensemble de surfaces portantes avec profilage de parois d'extrémité appariées

Also Published As

Publication number Publication date
EP2333241B1 (fr) 2019-05-01
US20110123322A1 (en) 2011-05-26
US8517686B2 (en) 2013-08-27
EP2333241A3 (fr) 2014-03-12

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